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Barracuda Load Balancer

How to Configure Intrusion Prevention

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You can enable or disable the Intrusion Prevention System (IPS) for all Services on the Barracuda Load Balancer from the BASIC > Intrusion Prevention page. This page displays a list of all of the Services and whether IPS is enabled for each one.

By default, IPS is disabled for a newly created Service. To enable IPS for an individual Service, edit the Service and select the IPS option on the Service Detail page.

To test if the IPS is working on the Barracuda Load Balancer, there is a simple URL that will generate a test IPS catch. To test with this URL, create or locate a web Service (with at least one Real Server) on port 80 from the BASIC > Services page.   Then type the following address in your browser window: 


where VIP is the VIP address of the web Service. If IPS is on, it will block this. Your browser will give an error because the connection will be immediately rejected. There should also be an IPS catch in the Intrusion Prevention Log on the BASIC > Intrusion Prevention page.

See Understanding Intrusion Prevention for an overview of IPS and how the Energize Updates feature works.


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